我曾经是一个极端的乐观主义者，但是生命给了我足够的打击，使这种乐观情绪下降了些许。

At one time I was an extreme optimist, but Life has battered me down enough times to temper this optimism down a bit.

youdao

他说，不付诸行动的盲目乐观毫无价值；而悲观加上行动、动力和能量却恰恰是人们所说的乐观主义的最高境界。

But pessimism associated with movement, motivation and energy is exactly what people are talking about in terms of the best of optimism.

youdao

已经有一些关于乐观主义的研究完成了，尽管我对过于乐观持一点保留意见，但没有人能否认乐观主义在促进个人成长方面所扮演的角色。

There have been various studies carried outon optimism and while I have a few reservations on extreme optimism, one can’t deny the role optimism plays in enhancing your personalgrowth.

youdao

That's what the optimist thinks-- not just for themselves individually, but for everybody, the total is always positive.

那是乐观主义者的想法-,而且不但是对他们自己，而是对所有人，等式结果总是正数。

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And he looked and it was good," And we have this tremendous rush of optimism.

他看了看，这很好“,我们有一种强烈的乐观主义。

耶鲁公开课 - 旧约导论课程节选

Optimistic people, and again, not Pollyannaish detached optimism, but grounded optimists, on average, live significantly longer.

乐观的人，不是指盲目的乐天派，而是脚踏实地的乐观主义者，平均而言，明显更加长寿。

哈佛公开课 - 幸福课课程节选